DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works
Transaction details
APITransaction action
DEPARTMENT OF EDUCATION - DIVISION OF MALABON Award a ₱1.9M contract to TAPNIO AND TAN CONSTRUCTION AND DEVELOPMENT CORP.National agencies
Transaction hash:
7aa1c802a67e1a0a12264e0558e7a66735e4b5366f2d29ac8fa0cf7b585250dc
Status:
Included and unchanged
Block:
#969 5,044 blocks after it
Position in block:
Transaction 3 of 14
Award day:
Sep 29, 2010 (16 yrs 1 mo ago)
Value:
₱1,919,059.22
Project:
Repair of Classroom at Imelda Elementary School
Full record:
Accountability
Bill Sec. 3 and 19Responsible agency:
Accountable officer:
Not stated in the source. PhilGEPS does not publish who certified the award.
Certification:
Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.
Demo signature:
Block #969 signature valid Demo key, proves nothing about the governmentPublic key
Linked records: from budget to payment
Bill Sec. 5- 1. AppropriationGAA line item · Sec. 5(b)The award does not say which budget line pays for it.Not published
- 2. Allotment releaseSARO / allotment · Sec. 5(c)(iii)Not published per project. DBM releases SAROs, but not linked to individual contracts.Not published
- 3. Cash allocationNotice of Cash Allocation · Sec. 5(c)(iv)Not published per project.Not published
- 4. Contract awardNotice of Award (PhilGEPS) · Sec. 5(d)DEPARTMENT OF EDUCATION - DIVISION OF MALABON awarded it to TAPNIO AND TAN CONSTRUCTION AND DEVELOPMENT CORP. on 2010-09-29.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 6. PaymentDisbursement voucher · Sec. 5(c)(viii)Not published. No public source shows how much of this contract has been paid.Not published
- 7. CompletionCertificate of completion · Sec. 5(d)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 partly. Under CADENA every step would be published within 7 working days and linked to this record.
Tamper test: try changing this record
DemoEdit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.
- 1. Record fingerprint changedstored 7aa1c802a6…5250dcnow …
- 2. Block Merkle root changedstored ce00470124…1b1fe5now …
- 3. Block #969 hash changedstored 7bba982227…3a76ffnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (4 steps)
How this one record is tied to the block's Merkle root, without needing the other 13 records. Each step hashes the current value together with the sibling shown.
- leaf 7aa1c802a67e1a0a12264e0558e7a66735e4b5366f2d29ac8fa0cf7b585250dc
- 01 L 70435b1b34f199a4d9e52f950b72120df9844682d3e9036cbfcbf6837179e36c
- 02 L 71bd2fbad9b74d15f3dea1fcbd5b39f91222cb907756d635a6c07e3879283f97
- 03 R 0a0d927e7934e90a1a9f514336c80f446ecf0dbe2cc16178be16147414a87d16
- 04 R 9fcc832d42de360790d700ace356fbfd533483a489acafb64bf683c43d9b9f83
- root ce00470124681ccca58e86613daf9534d6832dcd4a84f23f984908cebc1b1fe5